ACCESSION: MSBNK-BS-BS003336
RECORD_TITLE: Puerarin; LC-ESI-QTOF; MS2; CE:40 eV; [M-H]-
DATE: 2017.12.01 (Created 2014.01.10)
AUTHORS: Plant Biology, The Noble Foundation, Ardmore, OK, US/Dennis Fine, Daniel Wherritt, and Lloyd Sumner
LICENSE: CC BY-NC-SA

CH$NAME: Puerarin
CH$COMPOUND_CLASS: Natural Product; N/A
CH$FORMULA: C₂₁H₂₀O₉
CH$EXACT_MASS: 416.1107
CH$SMILES: C1(=C(C(=C(C(=C1C2=C(OC3=C(C2=O)C(=C(C(=C3[C@@]4([H])[C@@]([H])([C@]([H])([C@@]([H])([C@]([H])(O4)C(O[H])([H])[H])O[H])O[H])O[H])O[H])[H])[H])[H])[H])[H])O[H])[H])[H]
CH$IUPAC: InChI=1S/C21H20O9/c22-7-14-17(26)18(27)19(28)21(30-14)15-13(24)6-5-11-16(25)12(8-29-20(11)15)9-1-3-10(23)4-2-9/h1-6,8,14,17-19,21-24,26-28H,7H2/t14-,17-,18+,19-,21+/m1/s1
CH$LINK: COMPTOX DTXSID30958020
CH$LINK: INCHIKEY HKEAFJYKMMKDOR-VPRICQMDSA-N
CH$LINK: PUBCHEM CID:5281807

AC$INSTRUMENT: Bruker impact HD
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40 eV
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$MASS_SPECTROMETRY: ISOLATION_WIDTH 5
AC$MASS_SPECTROMETRY: PEAK_WIDTH 0.011
AC$MASS_SPECTROMETRY: MASS_RANGE_M/Z 94.8746-1505.12
AC$CHROMATOGRAPHY: COLUMN_NAME Waters Acquity BEH C18 1.7um x 2.1 x 150 mm
AC$CHROMATOGRAPHY: FLOW_GRADIENT 95/5 at 0 min, 20/80 at 35 min; 5/95 at 35 min, 5/95 at 38 min; 95/5 at 38.1 min, 95/5 at 45 min
AC$CHROMATOGRAPHY: FLOW_RATE FLOW_RATE 560 uL / min
AC$CHROMATOGRAPHY: SOLVENT A water with 0.05% formic acid
AC$CHROMATOGRAPHY: SOLVENT B acetonitrile with 0.05 % formic acid
AC$CHROMATOGRAPHY: RETENTION_TIME 188.4 sec

MS$FOCUSED_ION: PRECURSOR_M/Z 415
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: WHOLE convert from Bruker Library Editor (https://github.com/MassBank/MassBank2NIST)

PK$SPLASH: splash10-014i-0090000000-f75bdf7912e48c207955
PK$NUM_PEAK: 6
PK$PEAK: m/z int. rel.int.
  253.0507 20 20
  267.0661 999 999
  268.0690 112 112
  277.0505 86 86
  295.0605 183 183
  296.0643 31 31
//